Home / 161,506,303.96-222,879,605-91,891,683.40

Finding the Fourth Proportional to 161,506,303.96, 222,879,605 and 91,891,683.40

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Solution

The fourth proportional to 161,506,303.96, 222,879,605 and 91,891,683.40 is: 126,811,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,506,303.96 : 222,879,605 = 91,891,683.40 : x
  2. Step 2: Convert to fraction form
    161,506,303.96/222,879,605 = 91,891,683.40/x
  3. Step 3: Cross multiply
    161,506,303.96x = 222,879,605 × 91,891,683.40
  4. Step 4: Simplify right side
    161,506,303.96x = 20,480,782,098,977,060
  5. Step 5: Solve for x
    x = 20,480,782,098,977,060/161,506,303.96
  6. Step 6: Final answer
    x = 126,811,038.31

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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.