Home / 139,249,402.47-208,881,041.65-52,994,494.26

Finding the Fourth Proportional to 139,249,402.47, 208,881,041.65 and 52,994,494.26

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Solution

The fourth proportional to 139,249,402.47, 208,881,041.65 and 52,994,494.26 is: 79,494,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,249,402.47 : 208,881,041.65 = 52,994,494.26 : x
  2. Step 2: Convert to fraction form
    139,249,402.47/208,881,041.65 = 52,994,494.26/x
  3. Step 3: Cross multiply
    139,249,402.47x = 208,881,041.65 × 52,994,494.26
  4. Step 4: Simplify right side
    139,249,402.47x = 11,069,545,161,699,342
  5. Step 5: Solve for x
    x = 11,069,545,161,699,342/139,249,402.47
  6. Step 6: Final answer
    x = 79,494,381.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.