Home / 151,668,379,430.49-209,223,011,421.02-93,778,254,043.07

Finding the Fourth Proportional to 151,668,379,430.49, 209,223,011,421.02 and 93,778,254,043.07

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Solution

The fourth proportional to 151,668,379,430.49, 209,223,011,421.02 and 93,778,254,043.07 is: 129,364,926,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,668,379,430.49 : 209,223,011,421.02 = 93,778,254,043.07 : x
  2. Step 2: Convert to fraction form
    151,668,379,430.49/209,223,011,421.02 = 93,778,254,043.07/x
  3. Step 3: Cross multiply
    151,668,379,430.49x = 209,223,011,421.02 × 93,778,254,043.07
  4. Step 4: Simplify right side
    151,668,379,430.49x = 19,620,568,716,696,549,851,136
  5. Step 5: Solve for x
    x = 19,620,568,716,696,549,851,136/151,668,379,430.49
  6. Step 6: Final answer
    x = 129,364,926,231.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.