Home / 152,852,452,866.81-210,937,022,082.27-84,262,359,161.52

Finding the Fourth Proportional to 152,852,452,866.81, 210,937,022,082.27 and 84,262,359,161.52

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Solution

The fourth proportional to 152,852,452,866.81, 210,937,022,082.27 and 84,262,359,161.52 is: 116,282,406,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,852,452,866.81 : 210,937,022,082.27 = 84,262,359,161.52 : x
  2. Step 2: Convert to fraction form
    152,852,452,866.81/210,937,022,082.27 = 84,262,359,161.52/x
  3. Step 3: Cross multiply
    152,852,452,866.81x = 210,937,022,082.27 × 84,262,359,161.52
  4. Step 4: Simplify right side
    152,852,452,866.81x = 17,774,051,115,157,709,389,824
  5. Step 5: Solve for x
    x = 17,774,051,115,157,709,389,824/152,852,452,866.81
  6. Step 6: Final answer
    x = 116,282,406,868.83

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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.